Gnss (Gps) Troubleshooting; Gps Data Output - Raymarine RAY90 Installation & Operation Instructions

10.4 GNSS (GPS) troubleshooting

Problems with the GNSS (GPS) and their possible causes and solutions are described below.
Before troubleshooting GNSS (GPS) problems, ensure
your product has the latest software, by checking the
Software Updates page on the Raymarine website
www.raymarine.com.
No fix
Possible causes
GNSS (GPS) switched off.
Geographic location or prevailing conditions preventing
satellite fix.
GNSS (GPS) Antenna location.
No position data
Possible causes
Internal receiver is switched off.
Wrong Network output selected.
Poor / damaged / insecure cable / connection.

GPS data output

The Ray90 and Ray91 include an internal GPS receiver.
However, these products do NOT output GPS data to
external devices.
72
Possible solutions
Ensure your internal GNSS (GPS) receiver is switched on.
Check periodically to see if a fix is obtained in better conditions or another geographic location.
For optimum performance the antenna should be mounted above decks and have a clear, unobstructed view
of the sky, and not be in close proximity to any structural bulkheads or other electrical equipment or cables
which may cause interference.
Possible solutions
Ensure your external or internal receiver is switched on.
Ensure the correct network type and speed is selected in the Network output menu: Menu > Set-up >
Network output.
1. Check that the connectors are fully inserted into the unit and locked in position.
2. Check the cables and connectors for signs of damage or corrosion, replace if necessary.
3. Check the vessel's battery voltage, the condition of the battery terminals and power supply cables, ensuring
connections are secure, clean and free from corrosion, replace if necessary.
4. With the product under load, using a multi-meter, check for high voltage drop across all connectors/fuses
etc, replace if necessary.